Tokyo to St. Louis Time Difference
St. Louis is 14 hours behind Tokyo. When it is noon in Tokyo, it is 22:00 in St. Louis.
Tokyo (UTC+9) → Chicago (UTC-5)
🕐 Interactive Time Explorer
When it's 15:00 in Tokyo, it's 01:00 in St. Louis
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Tokyo & St. Louis◐ Extended Hours (3 hours)
✈️ Travel Information
Distance
10,292 km
Est. Flight Time
~13.1h
Time Difference
-14h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Tokyo
16:00
St. Louis (-1)
09:00
Tokyo
19:00
St. Louis (-1)
12:00
Tokyo
22:00
St. Louis (-1)
15:00
Tokyo
01:00
St. Louis
18:00
Tokyo
04:00
St. Louis
21:00
Tokyo
07:00
St. Louis
00:00
Tokyo
10:00
St. Louis (-1)
03:00
Tokyo
13:00
St. Louis (-1)
Frequently Asked Questions
How many hours is Tokyo ahead of St. Louis?
St. Louis is 14 hours behind Tokyo. When it is 12:00 noon in Tokyo, it is 22:00 in St. Louis. Tokyo operates on Asia/Tokyo (UTC+9), while St. Louis uses America/Chicago (UTC-5).
What is the best time to call St. Louis from Tokyo?
Standard business hours (9 AM–5 PM) do not overlap between Tokyo and St. Louis due to the 14 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Tokyo to St. Louis time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Tokyo and St. Louis
The distance between Tokyo and St. Louis is approximately 10,292 km. A direct flight typically takes around 13.1 hours. Your arrival clock will show local St. Louis time — use our Flight Time Calculator to predict exact arrival times.